Green Brook township Flag

Green Brook township

County:
Somerset County
County Seat:
No
Area (mi²):
4.407
State:
New Jersey

Green Brook township is located in Somerset County, New Jersey. Green Brook township has a 2026 population of 7,631. Green Brook township is currently growing at a rate of 1.19% annually and its population has increased by 5.08% since the most recent census, which recorded a population of 7,262 in 2020.

The median household income in Green Brook township is $208,375 with a poverty rate of 6.04%. The median age in Green Brook township is 46.4 years: 41 years for males, and 48.7 years for females. For every 100 females there are 131.0 males.

7.6K
Total Population
1,731
Density (mi²)
90 1.19%
Growth

Green Brook township Population

Green Brook township Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20267,631901.19%
20257,541901.21%
20247,451901.22%
20237,361180.25%
20227,343200.27%
20217,323610.84%
20207,262-17-0.23%
20197,042-50-0.71%
20187,092-16-0.23%
20177,108-27-0.38%
20167,135-8-0.11%
20157,143-35-0.49%
20147,178-22-0.31%
20137,200-6-0.08%
20127,20650.07%
20117,201-2-0.03%
20107,18180.11%

Median Age

Overall: 46.4 years
Female: 48.7 years
Male: 41 years

Green Brook township Adults

There are 5,676 adults, (1,185 of whom are seniors) in Green Brook township.

Sex Ratio

Female: 3,042 (43.3%)
Male: 3,986 (56.7%)

Demographics

The racial composition of Green Brook township includes 57.44% White, 20.75% Asian, 7.74% other race, and smaller percentages for Black or African American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White4,03757.44%
Asian1,45820.75%
Two or more races84512.02%
Other race5447.74%
Black or African American1442.05%
Race
Population ↓
Percentage (of total)
Two or more races6919.83%
Other race5347.6%
White951.35%
Asian120.17%
Race
Population ↓
Percentage (of total)
White3,94256.09%
Asian1,44620.57%
Two or more races1542.19%
Black or African American1442.05%
Other race100.14%

Green Brook township Marital Status

Economics and Income Statistics

Green Brook township 's average per capita income is $88,553. Household income levels show a median of $208,375. The poverty rate stands at 6.04%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median ↓
Mean
Married Families$211,500-
Households$208,375$214,477
Families$207,171$228,578
Non Families-$157,768

$88,553

Average Income

$208,375

Median Household Income

6.04%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)